Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080098 | Water-based ink composition | Norimasa Kurihara, Shoko Matsumoto, Kyoko Sano, Yasunori Nakatani, Hiroyoshi Yamamoto +4 more | 2011-12-20 |
| 7914222 | Tip unit for liquid applicator, method for producing the same, and liquid applicator having the tip unit | Hiroshi Inoue, Norimasa Kurihara, Shoko Matsumoto, Kyoko Sano, Takeshi Omatsu +3 more | 2011-03-29 |
| 7776941 | Oil-based ink composition for writing instruments | Takeshi Omatsu | 2010-08-17 |
| 7721402 | Method of producing applicator tip | Hiroshi Inoue, Norimasa Kurihara, Shoko Matsumoto, Kyoko Sano, Takeshi Omatsu +3 more | 2010-05-25 |
| 7637680 | Coating tool | Takeshi Omatsu | 2009-12-29 |
| 7538148 | Aqueous ink composition | Hiroshi Inoue, Norimasa Kurihara, Shoko Matsumoto, Kyoko Sano, Takeshi Omatsu +3 more | 2009-05-26 |